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1. WO2014154466 - PROCESS AND DEVICE FOR CONTINUOUS THERMAL HYDROLYSIS

Publication Number WO/2014/154466
Publication Date 02.10.2014
International Application No. PCT/EP2014/054388
International Filing Date 06.03.2014
IPC
C02F 11/18 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
11Treatment of sludge; Devices therefor
18by thermal conditioning
C02F 1/02 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
02by heating
C02F 11/04 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
11Treatment of sludge; Devices therefor
02Biological treatment
04Anaerobic treatment; Production of methane by such processes
CPC
C02F 1/025
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
02by heating
025Thermal hydrolysis
C02F 11/04
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
11Treatment of sludge; Devices therefor
02Biological treatment
04Anaerobic treatment; Production of methane by such processes
C02F 11/18
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
11Treatment of sludge; Devices therefor
18by thermal conditioning
C02F 2201/002
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
2201Apparatus for treatment of water, waste water or sewage
002Construction details of the apparatus
C02F 2209/02
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
2209Controlling or monitoring parameters in water treatment
02Temperature
C02F 2209/03
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
2209Controlling or monitoring parameters in water treatment
03Pressure
Applicants
  • VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT [FR]/[FR]
Inventors
  • CRAMPON, Cédric
  • DJAFER, Malik
  • CHAUZY, Julien
Agents
  • LARCHER, Dominique
Priority Data
135268625.03.2013FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) PROCESS AND DEVICE FOR CONTINUOUS THERMAL HYDROLYSIS
(FR) PROCÉDÉ ET DISPOSITIF D'HYDROLYSE THERMIQUE EN CONTINU
Abstract
(EN)
Process, and associated device, for continuous thermal hydrolysis of sludge containing organic matter, said process comprising the steps consisting in: simultaneously carrying out the injection of pressurized steam (100) into said sludge and the mixing of said sludge with said steam by means of a dynamic injector-mixer (4) so as to obtain a single-phase mixture, conveying said single-phase mixture to a pressurized tubular reactor (5) and bringing about the plug flow of this mixture in said reactor for a sufficient residence time and at a sufficient temperature to enable the thermal hydrolysis of the organic matter present in said sludge, cooling said single-phase mixture at its outlet from said tubular reactor to a temperature that allows the subsequent digestion of the hydrolysed organic matter that it contains; depressurizing said cooled single-phase mixture.
(FR)
Procédé, et dispositif associé, d'hydrolyse thermique en continu de boues contenant de la matière organique, ledit procédé comprenant les étapes consistant à : réaliser simultanément l'injection de vapeur (100) sous pression dans lesdites boues et le mélange desdites boues avec ladite vapeur au moyen d'un injecteur-mélangeur dynamique (4) de façon à obtenir un mélange monophasique, acheminer ledit mélange monophasique vers un réacteur tubulaire (5) sous pression et provoquer l'écoulement en flux piston de ce mélange dans ledit réacteur selon un temps de séjour suffisant et à une température suffisante pour permettre l'hydrolyse thermique de la matière organique présente dans lesdites boues, refroidir ledit mélange monophasique à sa sortie dudit réacteur tubulaire à une température permettant la digestion ultérieure de la matière organique hydrolysée qu'il contient.; dépressuriser ledit mélange monophasique refroidi.
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